""ET TROJAN Suspected CHAOS CnC Inbound (openurl)""

SID: 2029801

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_04_02, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_04_02

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "b3BlbnVybA==|0a|"

Within:

PCRE:

Special Options:

source